[Beowulf] SSDs for HPC?

Lux, Jim (337C) james.p.lux at jpl.nasa.gov
Mon Apr 7 16:40:03 PDT 2014



On 4/7/14 3:08 PM, "Lockwood, Glenn" <glock at sdsc.edu> wrote:

>
>
>The problem we faced was unique to production-scale resources.  Buying
>commodity desktop SSDs is fine if you are just buying a handful, but we
>were having major reliability and performance problems right out of the
>box at-scale.  

>
>In our case, we weeded out most of the cheapo SSDs in testing before
>production hardware ever hit the floor, but our vendor made the decision
>to improve their cost margins by going for the minimum spec that would
>make acceptance.  It turned out that the advertised
>reliability/performance did not match the delivered product, and they had
>to replace hundreds/thousands of SSDs with Intel's enterprise line.  At
>the time, Intel's hardware was the only technology that could pass
>acceptance testing.

So this wasn't really a wearout or life issue, but more a DOA/poor build
quality issue?


>




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